<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>无标题文档</title>

<script src="../scripts/jquery-1.3.1.js"></script>
<script type="text/javascript">
	


        //点击文本框时，文字消失；离开文本框时输入信息改回请输入邮箱地址
		$(function() {
               $("#address").focus(function(){
				  $("#address").removeAttr("value");
				  });
               $('#address').blur(function(){
				  $("#address").attr("value","请输入邮箱地址");
				 });
				 $("#password").focus(function(){
				 	$("#password").removeAttr("value");
				 	});
				 $('#password').blur(function() {
				 	$("#password").attr("value","请输入邮箱地址");
				 	});
				
			})
</script>		
</head>

<body>
	<input type="text" id="address"   value="请输入账号"/>
	<input type="text"  id="password" value="请输入密码" />	
	<input id="btn" type="button" value="登录" />
</body>
</html>
